Home / 158,730,005.80-238,095,008.70-90,579,586.60

Finding the Fourth Proportional to 158,730,005.80, 238,095,008.70 and 90,579,586.60

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Solution

The fourth proportional to 158,730,005.80, 238,095,008.70 and 90,579,586.60 is: 135,869,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,730,005.80 : 238,095,008.70 = 90,579,586.60 : x
  2. Step 2: Convert to fraction form
    158,730,005.80/238,095,008.70 = 90,579,586.60/x
  3. Step 3: Cross multiply
    158,730,005.80x = 238,095,008.70 × 90,579,586.60
  4. Step 4: Simplify right side
    158,730,005.80x = 21,566,547,459,569,400
  5. Step 5: Solve for x
    x = 21,566,547,459,569,400/158,730,005.80
  6. Step 6: Final answer
    x = 135,869,379.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.